Selenium WebDriver get text from CSS property “content” on a ::before pseudo element

Question

I am trying to verify the text \"The information provided is either invalid or incomplete.\" is displayed using Selenium/WebDriver in Java.

I have the following HTML

Answer 1

Tried the same, works for me.

Created sample html file :

My name is Donald
I live in Ducksburg

Reused Nilesh's code

    String script  = "return window.getComputedStyle(document.querySelector('p#b'), ':after').getPropertyValue('content')";
    JavascriptExecutor js = (JavascriptExecutor) UIKeyWords.getUIDriver();
    String contentValue = (String) js.executeScript(script);
    System.out.println(contentValue);